from rest_framework import permissions

class IsProjectAdmin(permissions.BasePermission):
    def has_object_permission(self, request, view, obj):
        return obj.members.filter(id=request.user.id, role='admin').exists()

class IsProjectAdminOrReadOnly(permissions.BasePermission):
    def has_object_permission(self, request, view, obj):
        if request.method in permissions.SAFE_METHODS:
            return True
        return obj.members.filter(id=request.user.id, role='admin').exists()